Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 06:28
Behavioral task
behavioral1
Sample
2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260824-g8e2ratejf
- SHA256 79a1c6d1a8353846833fb0b8a2703009db40f550ef1261b4eaa63504aa9e5263
- MD5 8a6f223343793a3cbc530e75f6360f55
- SHA1 8c37726982e37aa234a9563dd0cbf282a2f5ee18
- SHA512 52cd32b83dbfccb2eb2ee997b796f5eac714c5c0f96addc365fdf197050c19f89a2ad2e4a6618bb4c3d49b421a3a4e68185f8e3f47a4388b7d2a9756ee7af284
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzV:KfBQGH6SfRoAX+U4l
- TLSH T1DC5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 3 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000d00000001c4ce-7.dat family_cosmu behavioral2/files/0x000d00000001c4d9-82.dat family_cosmu behavioral2/files/0x000500000001897f-193.dat family_cosmu - Enumerates connected drives 3 TTPs 10 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX177B.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX147F.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX15FA.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX16A0.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX147E.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX16D4.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1705.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1737.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX175A.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1449.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX160A.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX16C2.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX15A5.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX1491.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX164E.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX15A2.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX145E.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX160B.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX145C.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX164D.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1715.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX145D.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX15E7.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX14C4.tmp 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_8a6f223343793a3cbc530e75f6360f55_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:4628
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 325KB
- SHA256 a589738d13ddcd78104d3fcdcfe9553cae40804f6ed89bc88f565302e315976a
- MD5 b9dbe7523d7e3e9ad98aa9a12a837fcc
- SHA1 04a6bd5026927100998662196596951e5f390e4e
- SHA512 7eb9c5a9810700be3b92301238ced2fd6c21f8d7aae99b35cae54217a28c64f922e7dd45b8ace47a7f74ca0bbcee39add13ddd6658bad7bc8320d653b6ce2d19
- SSDEEP 6144:6FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:dfBQGH6SfeoAX+U4
- TLSH T1F264F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX15A5.tmp
- Size 284KB
- SHA256 bd22364f437ad8488f0bcd6eca995f1dfff25428d2c7a0a0be3d4aa83a0b2f3c
- MD5 f299a129d92b3a7f95a49993c6c85beb
- SHA1 8049abb01371c98f076be8e54aa6923772668c5a
- SHA512 bd5c7b2cdf984938b679864bd56501ce2658f64f20365f249c64924110f9eb04ba02d51824cb91e55f7a7ef21ef3faf6fea3dd9d11875e92b706e78dabd4d1f0
- SSDEEP 6144:WFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:RfBQGH6SfdoAX+U4
- TLSH T12954F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX1716.tmp
- Size 284KB
- SHA256 15d659c404aec20ee43ae570a65e071a372ae0bbc0659ece86f9eb84b62e13da
- MD5 eab4c700c62e76793811635b59844802
- SHA1 9ba367377bd307ab9416dd45aa0302dcf2cea731
- SHA512 b59c97a6be789df409844d64fc08a2e3adefab92283ad8e4c1e8ce7f0fe08d46fd856ad0b13ae8da2285dfabc06777261ab49d6db8fba8f069afb29afb8f9a8a
- SSDEEP 6144:6FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:dfBQGH6SfwoAX+U4
- TLSH T1605402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH